PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-2081Coupling,shaft,flexible

The Gorman-Rupp Company Div Gorman-Rupp · NSN 3010-01-265-2652 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-265-2652 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-265-2652. Primary manufacturer part number: S-2081.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Outside Diameter: 3.0625 INCHES NOMINAL IN
  • Furnished Items and Quantity: SETSCREW 2
  • Features Provided: KEYWAY
  • Keying Facility Quantity: 1 BOTH ENDS
  • Threaded Hole Quantity: 1 BOTH ENDS
  • Keyway Depth: 0.1875 INCHES NOMINAL BOTH ENDS IN
  • Keying Facility Type: KEYWAY BOTH ENDS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-265-2652, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is The Gorman-Rupp Company Div Gorman-Rupp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-265-2652
Primary Part NumberS-2081
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerThe Gorman-Rupp Company Div Gorman-Rupp
StatusACTIVE
Outside Diameter3.0625 INCHES NOMINAL IN
Furnished Items and QuantitySETSCREW 2
Features ProvidedKEYWAY
Keying Facility Quantity1 BOTH ENDS
Threaded Hole Quantity1 BOTH ENDS
Keyway Depth0.1875 INCHES NOMINAL BOTH ENDS IN
Keying Facility TypeKEYWAY BOTH ENDS
Threaded Hole LocationBOTH ENDS: 0.4375 IN. FROM HUB END OVER KEYWAY IN
Insert MaterialRUBBER SYNTHETIC
Thread Size Designator5/16-18 BOTH ENDS
Securing MethodTHREADED HOLE(S) BOTH ENDS
Keyway Width0.1875 INCHES NOMINAL BOTH ENDS IN
Bore Diameter0.7505 INCHES NOMINAL BOTH ENDS IN
Bore Length1.0625 INCHES NOMINAL BOTH ENDS IN
Design TypeINSERT
Bore ShapeSTRAIGHT BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1680-01-102-4621S208-1 INTERCHANGEABLE
Placard
Triumph Actuation Systems - Connecticut, Llc
5961-01-271-5340807880-1 INTERCHANGEABLE
Semiconductor Devices,unitized
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
S-2081 PRIMARY The Gorman-Rupp Company Div Gorman-Rupp (USA)
Related Parts
1680-01-102-4621INTERCHANGEABLE
PLACARD
S208-1
5961-01-271-5340INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
807880-1

Frequently Asked Questions

What is NSN 3010-01-265-2652?

NSN 3010-01-265-2652 is a Coupling,shaft,flexible, manufactured by The Gorman-Rupp Company Div Gorman-Rupp, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-265-2652?

NSN 3010-01-265-2652 has 1 cross-referenced part number: S-2081 (The Gorman-Rupp Company Div Gorman-Rupp).

What NSN replaces 3010-01-265-2652?

There are 2 known substitutes for 3010-01-265-2652: 1680-01-102-4621, 5961-01-271-5340. Verify interchangeability with system specifications before substitution.

What are the specifications of S-2081?

Key specifications for S-2081: Outside Diameter: 3.0625 INCHES NOMINAL IN; Furnished Items and Quantity: SETSCREW 2; Features Provided: KEYWAY; Keying Facility Quantity: 1 BOTH ENDS. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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